sprintf return value code example

Example 1: sprintf in c

#include <stdio.h>
#include <math.h>

int main () {
   char str[80];

   sprintf(str, "Value of Pi = %f", M_PI);
   puts(str);
   
   return(0);
}

Example 2: sprintf

char myConcatenation[80];
    char myCharArray[16]="A variable name";
    int myInt=5;
    sprintf(myConcatenation,"%s = %i",myCharArray,myInt);
    Serial.println(myConcatenation);